A prosecutor is the government's attorney in a criminal case who represents the people, such as a District Attorney, States Attorney, U.S. Attorney, Attorney General, Solici…tor General, or special prosecutor. A prosecutor may investigate certain criminal offenses on his own initiative, or at the request of a government officer or government body. ( Full Answer )

The duties of a prosecutor are mainly to institute legalproceedings against an accused person. They are the ones who mainlyconduct the case in the court to prove that one is g…uilty of thecrimes accused of. ( Full Answer )

In a criminal case, the prosecutor is the attorney representing the government who presents (i.e.: prosecutes) the case against the defendant in an attempt to prove him guilty… of the charges for which he was arrested. The attorney representing the accused is the "defense" attorney. In a civil case there is no "prosecutor" only an attorney representing the aggrieved party (i.e.: the plaintiff) and the attorney representing the defendant/respondant who is the one being sued. ( Full Answer )